Home / 781,693.92-1,172,364.37-397,053.20

Finding the Fourth Proportional to 781,693.92, 1,172,364.37 and 397,053.20

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Solution

The fourth proportional to 781,693.92, 1,172,364.37 and 397,053.20 is: 595,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,693.92 : 1,172,364.37 = 397,053.20 : x
  2. Step 2: Convert to fraction form
    781,693.92/1,172,364.37 = 397,053.20/x
  3. Step 3: Cross multiply
    781,693.92x = 1,172,364.37 × 397,053.20
  4. Step 4: Simplify right side
    781,693.92x = 465,491,026,612.76
  5. Step 5: Solve for x
    x = 465,491,026,612.76/781,693.92
  6. Step 6: Final answer
    x = 595,490.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.